Unless you're one of the millions of Americans who have already voted, it's a good idea to find out where to cast your ballot, preferably before Tuesday. Googling "how to vote" will take you to localized results that include the times the polls are open and any requirements such as an ID. You can also enter your address to locate your polling place.

Facebook's elections tool will show you what's on your ballot and where various candidates stand on key issues. The information comes from the nonpartisan group Center for Technology and Civic Life, which also generates some of the data for Google searches such as "what's on my ballot." To get started, go to https://www.facebook.com/elections/yourplan (you'll need a Facebook account).

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Snapchat users will be able to see "live stories" on the app — showing people at the polls, election results, acceptance and concession speeches and election night celebrations. In the U.S., users will see overlays they can add to their snaps.

CNN will have live coverage with reporters in battleground states, as well as drone shots of voting locations and international reaction throughout the day. Each hour from 9 a.m. to 6 p.m. will be streamed from a different location. After 6 p.m., the network will continue Facebook Live streams from various locations, including watch parties and, again, battleground states.

The Washington Post is planning live programming on its Facebook page beginning at 7 p.m. The show will include commentary and updates from Post reporters, including those at campaign headquarters for both Donald Trump and Hillary Clinton.

The stream will begin at 6 p.m. Twitter says segments will include critiques of traditional news outlets and how they are covering the election, as well as live reports from BuzzFeed journalists at various locations throughout the U.S. and elsewhere. Go to http://election.twitter.com . You don't need an account.